An amazing combination of zero-dimensional graphene quantum dots (GQDs) with three-dimensional metal-organic frameworks (MOFs) improves the resulting nanocomposite properties. Herein, The GQD was incorporated in the ZIF-8 surface, to emphasize another application of GQD that has been less considered before. The characteristics of synthesized nanomaterials were confirmed by FTIR, XRD, TGA, BET, Raman, SEM, and HRTEM. The removal of malachite green (MG) was investigated to compare the adsorption properties of nanocomposite with pristine GQD and ZIF-8. The effects of GQD loading dose in composite (2–20%), adsorbents dosage (0.7–2.5 mg), initial dye concentration (20–50 mg/L), and the pH of MG solution (4−7) as the influential parameters on pollutant removal were investigated. The dye adsorption capacity of hybrid nanocomposite (2500 mg/g) was reasonably better than pure GQD (294 mg/g) and MOF (1111 mg/g). Besides, this process was in good agreement with the pseudo-second-order kinetics and the Langmuir isotherm model

零维石墨烯量子点 (GQD) 与三维金属有机框架 (MOF) 的惊人组合改善了所得纳米复合材料的性能。在此，将 GQD 并入 ZIF-8 表面，以强调 GQD 的另一种以前较少考虑的应用。合成纳米材料的特性通过 FTIR、XRD、TGA、BET、拉曼、SEM 和 HRTEM 进行确认。研究了孔雀石绿 (MG) 的去除，以比较纳米复合材料与原始 GQD 和 ZIF-8 的吸附性能。复合材料中 GQD 加载剂量 (2-20%)、吸附剂剂量 (0.7-2.5 mg)、初始染料浓度 (20-50 mg/L) 和 MG 溶液 pH (4-7) 的影响研究了污染物去除的参数。杂化纳米复合材料（2500 mg/g）的染料吸附能力比纯 GQD（294 mg/g）和 MOF（1111 mg/g）更好。此外，该过程与拟二级动力学和朗缪尔等温线模型非常吻合。